Horseshoe



E. s. THURBER..

' HORSESHOB. No. 270,154. Patented Jan. 2, 1883.

UNITED STATES PATENT OEEIcE.

EDWIN S. THURBER, OF BOSTON, MASSACHUSETTS.

HORSESHOE.

SPECIFICATION forming part of Letters Patent No. 270,154, dated January 2, 1883.

Application led October 10, 1882. (No model.)

vlo all w/Lom it may concern.-

y Be it known that I, EDWIN S; THURBER, oi' Boston. in the county of Sui'olk, of the State of Massachusetts, have invented anew and useful Improvementin Horseshocs; and I do hereby declare thesaine to be described in the following specification, and represented in the accompanyingdrawings, of whichy Figure l is a bottoni View, Fig. 2a front view, and Fig. 3 a longitudinal section, of a horseshoe provided with my invention, the nature of which is defined in the claims hereinafter presented. l i

'lvhe improveinentis to enable the shoe to be readily either expanded or contracted to it the hoof oi' a horse, and to expand laterally with the hoof as itniay grow or increase in size.

In carrying out my invention, the shoe is 'Y made in two sections or halves, AA, provided with the usual creases, a, and nail-holes b, and these sections, at the toe ofthe shoe, are connected by a spiral spring,'B, screwed into each ot' them and extended from one to the other ot' them, and going through an elastic or vulcanized india-rubber washer, C, arranged between "them, all being substantially as represented.

Theremay be screwed lengthwise into the y spring, in each of the part-s thereof, Within either of the sections A A, an elastic metallic rod, D, such yserving to stop the end oi' the spring. Y

The elastic washer not only tills thejointbetween the two sections and protects the spring, but enables such spring to yield where it is between the sections when the heels ot the sections are moved either toward or away from each other.

I claim 1. The shoe made in two sections, A A, and i connected at the toe by a spiral spring screwed into both ot' them and arranged therewith, substantially as set forth.

2. The shoe composed of the two sections, the elastic washer', and the spiral spring, arranged as set forth. y

The shoe made in sections A A, connected by a spiral spring` screwed into or secured to each, and plugged at its ends, as set forth.

4. The shoe made in sections A A and connected, as described, by a spiralsprin g plugged at its ends and going through an elastic washer arranged between the toe ends of such sec tions, all being substantially as set forth. y f' EDWIN S. THURBER. Witnesses: L

R. H. EDDY, E. B. PRATT. 

